4.6 Article

Ferromagnetic semiconductor heterostructures for spintronics

Journal

IEEE TRANSACTIONS ON ELECTRON DEVICES
Volume 54, Issue 5, Pages 945-954

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TED.2007.894622

Keywords

anomalous Hall effect; ferromagnetic semiconductors; magnetic circular dichroism; magnetic tunneling junctions; magnetization manipulation; p-d Zener model; II-VI compounds; III-V compounds; (Ga,Mn)As; (In,Mn)As

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Ferromagnetism in transition-metal-doped III-V and H-VI compound semiconductors and their heterostructures allow exploration of unprecedented possibilities, in which spin degrees of freedom and more common charge degrees of freedom are combined. These include quantum heterostructures that incorporate ferromagnetism, electric field as well as light control of ferromagnetism, and magnetization reversal by electrical means. Possibilities of achieving high ferromagnetic-transition temperature are also discussed.

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